<%@ page language="java" pageEncoding="UTF-8"%>
<%
	String result;
	String username = request.getParameter("uname");
	String password = request.getParameter("pword");
	if (null != username && username.length() > 0 
        && null != password && password.length() > 0) {
		if (username.equals("kevin") && password.equals("123")) {
			result = "Hello Kevin Zhang!";
		} else {
			result = "username or password is incorrect";
        }
	} else {
		result = "empty username or password";
	}
%>
<%=result %>
